Electric fluid-heater.



LED MAR:'12,1908.

C. GHESNEY da H. B. WILSQN.

APPLIOMON PI Cummings C. Chesney, @n /j/,f

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Inventors:

Howard B. WHS bg Witnesses 10 tions for maintaining a circulationbetween plypipe connected to said cock. 35

these particulars 'inasmuch as various modiunit, and a cock arranged to'draw gend downcatioiis will suggest themselves to those ward throughthe heating unit. t 1v skilled in the `art without departing 'from the4.,'An electric heating device comprising a. spirit of our invention,the 'scope of which is fluid tank, an electric heating unit, pipe con- 5set forth inthe annexed claims. nec-tions between the tank and theheating 30 What we claim as nevi7 and desire to secure unit arranged tocause a circulation from the by Letters Patent of the United States,is,- tank upward over the heating surface of the 1. An electric heatingdevice comprising a unit, a three-waycock arranged to draw fluid fluidtank, an' electric heater, pipe connecdownward from the heating unit,and aV supthe tank and the heater, a three-Way cock in 5. An electricheating device comprising a the connections arranged to draw luid di-Huid tank,'an electricheating u'nit,pipecon reetly from the heater, anda s`upplT pipe nectionsfrom the nunit to the upper and connected tothecock. j lower portions of said tank, a'supply pipe 15 2. An electricheating device comprising a communicating With the tank and said lower40 fluid tank, a heater casing, pipe connections connection, andv athree-way cock in the from the casing to the upper and lower porlowerconnection. 'Y tions of said tank,^a three-Way` cock in the In Witnesswhereof, we'have hereunto vset lower connectionsl and a' supply pipe.eon our hands this 3rd day of March, '1908. 2O nected to said coc l v T'i 1 T 3. An electric heating device comp-rising a SBQWCIIJSEY' fluidtank, an electric vheating unit, pipe conv nectio'ns between the tankand the heating Witnesses: unit arranged to cause a circulation from theW. S. OBRIEN, 25 tank upward over the heating surface of the P. A.SMITH..

